clinid vs blennioid

clinid and blennioid both are nouns.

Word	Noun	Adjective	Verb	Adverb
clinid	Yes	No	No	No
blennioid	Yes	No	No	No

As nouns, blennioid is a hypernym of clinid; that is, blennioid is a word with a broader meaning than clinid:

clinid: mostly small blennioid fishes of coral reefs and seagrass beds
blennioid: elongated mostly scaleless marine fishes with large pectoral fins and reduced pelvic fins

Other hypernyms of clinid include blennioid fish.

clinid (noun)	blennioid (noun)
mostly small blennioid fishes of coral reefs and seagrass beds	elongated mostly scaleless marine fishes with large pectoral fins and reduced pelvic fins